Home / 20,668,948.80-31,003,423.20-16,185,057.60

Finding the Fourth Proportional to 20,668,948.80, 31,003,423.20 and 16,185,057.60

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Solution

The fourth proportional to 20,668,948.80, 31,003,423.20 and 16,185,057.60 is: 24,277,586.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,668,948.80 : 31,003,423.20 = 16,185,057.60 : x
  2. Step 2: Convert to fraction form
    20,668,948.80/31,003,423.20 = 16,185,057.60/x
  3. Step 3: Cross multiply
    20,668,948.80x = 31,003,423.20 × 16,185,057.60
  4. Step 4: Simplify right side
    20,668,948.80x = 501,792,190,289,176.31
  5. Step 5: Solve for x
    x = 501,792,190,289,176.31/20,668,948.80
  6. Step 6: Final answer
    x = 24,277,586.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.